S50C
Data verifiedS50C is the JIS medium-carbon steel slightly richer in carbon than S45C/1045, popular in Asian supply chains for machine parts, shafts and mold plates.
Chemical composition
| Element | Content (%) |
|---|---|
| C | 0.47–0.53 |
| Si | 0.15–0.35 |
| Mn | 0.60–0.90 |
| P | ≤0.030 |
| S | ≤0.035 |
Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.
Properties
| Tensile strength | 610–760 MPa (normalized) |
| Density | 7.85 g/cm³ |
Heat treatment
Normalize 830–860 °C; flame/induction hardening for wear surfaces.
Equivalent grades
| Standard | Designation |
|---|---|
| din | 1.0540 (C50) |
| aisi | 1050 |
| jis | S50C |
| gb | 50 |
Compare side by side: S50C vs 1045
Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.
Applications & Processing
Applications: Shafts, machine bases, mold plates, gears, agricultural parts.
Processing: As 1045, with marginally higher hardenability and wear response.
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Ask for a quotationVisit NasteelSource: JIS G4051 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.